Corrected Age Calculator

The Corrected Age Calculator is an HTML based program that uses any javascript-enabled web browser (generally Firefox or Internet Explorer version 5 or greater). You can download newer versions of these browsers free-of-charge at:
Firefox: http://www.mozilla.com/en-US
Internet Explorer: http://www.microsoft.com/windows/ie/default.asp

To calculate the corrected age of a child:

1. Click on the "Corrected Age" tab if it is not visible.
2. Enter the child's birth date.
3. Enter the test date of the developmental test.
4. Enter the estimated weeks gestational age.
5. Enter the estimated days gestational age.
6. Click "Calculate."
7. The corrected age will appear in the text box labelled "Corrected Age."

To calculate the dates for the 18- to 24-month Corrected Age range:

1. Click on the "Test Date Range" tab if it is not visible.
2. Enter the child's birth date.
3. Enter the estimated weeks gestational age.
4. Enter the estimated days gestational age.
5. Click "Calculate."
6. The "18-month Corrected Age Date" and "24-month Corrected Age Date" will appear in their respective boxes.

If you have any questions concerning the use of this calculator, please contact:
Karla Ferrelli
karla@vtoxford.org